2 * Copyright (c) 1985, 1987, 1993
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * @(#) Copyright (c) 1985, 1987, 1993 The Regents of the University of California. All rights reserved.
34 * @(#)tcopy.c 8.2 (Berkeley) 4/17/94
35 * $FreeBSD: src/usr.bin/tcopy/tcopy.c,v 1.7.2.1 2002/11/07 17:54:42 imp Exp $
36 * $DragonFly: src/usr.bin/tcopy/tcopy.c,v 1.4 2008/10/16 01:52:33 swildner Exp $
39 #include <sys/types.h>
41 #include <sys/ioctl.h>
53 #include "pathnames.h"
55 #define MAXREC (64 * 1024)
58 int filen, guesslen, maxblk = MAXREC;
59 u_int64_t lastrec, record, size, tsize;
64 static void usage(void);
65 void verify(int, int, char *);
66 void writeop(int, int);
67 void rewind_tape(int);
70 main(int argc, char **argv)
72 int lastnread, nread, nw, inp, outp;
73 enum {READ, VERIFY, COPY, COPYVERIFY} op = READ;
80 while ((ch = getopt(argc, argv, "cs:vx")) != -1)
86 maxblk = atoi(optarg);
88 warnx("illegal block size");
121 if ((outp = open(argv[1], op == VERIFY ? O_RDONLY :
122 op == COPY ? O_WRONLY : O_RDWR, DEFFILEMODE)) < 0)
123 err(3, "%s", argv[1]);
129 if ((inp = open(inf, O_RDONLY, 0)) < 0)
132 buff = getspace(maxblk);
135 verify(inp, outp, buff);
139 if ((oldsig = signal(SIGINT, SIG_IGN)) != SIG_IGN)
140 (void) signal(SIGINT, intr);
143 for (lastnread = NOCOUNT;;) {
144 if ((nread = read(inp, buff, maxblk)) == -1) {
145 while (errno == EINVAL && (maxblk -= 1024)) {
146 nread = read(inp, buff, maxblk);
150 err(1, "read error, file %d, record %qu", filen, record);
151 } else if (nread != lastnread) {
152 if (lastnread != 0 && lastnread != NOCOUNT) {
153 if (lastrec == 0 && nread == 0)
154 fprintf(msg, "%qu records\n", record);
155 else if (record - lastrec > 1)
156 fprintf(msg, "records %qu to %qu\n",
159 fprintf(msg, "record %qu\n", lastrec);
162 fprintf(msg, "file %d: block size %d: ",
164 (void) fflush(stdout);
169 if (op == COPY || op == COPYVERIFY) {
171 writeop(outp, MTWEOF);
174 nw = write(outp, buff, nread);
177 warn("write error, file %d, record %qu", filen, record);
179 warnx("write error, file %d, record %qu", filen, record);
180 warnx("write (%d) != read (%d)", nw, nread);
182 errx(5, "copy aborted");
188 if (lastnread <= 0 && lastnread != NOCOUNT) {
189 fprintf(msg, "eot\n");
193 "file %d: eof after %qu records: %qu bytes\n",
194 filen, record, size);
198 size = record = lastrec = 0;
203 fprintf(msg, "total length: %qu bytes\n", tsize);
204 (void)signal(SIGINT, oldsig);
205 if (op == COPY || op == COPYVERIFY) {
206 writeop(outp, MTWEOF);
207 writeop(outp, MTWEOF);
208 if (op == COPYVERIFY) {
211 verify(inp, outp, buff);
218 verify(int inp, int outp, char *outb)
220 int eot, inmaxblk, inn, outmaxblk, outn;
223 inb = getspace(maxblk);
224 inmaxblk = outmaxblk = maxblk;
225 for (eot = 0;; guesslen = 0) {
226 if ((inn = read(inp, inb, inmaxblk)) == -1) {
228 while (errno == EINVAL && (inmaxblk -= 1024)) {
229 inn = read(inp, inb, inmaxblk);
236 r1: if ((outn = read(outp, outb, outmaxblk)) == -1) {
238 while (errno == EINVAL && (outmaxblk -= 1024)) {
239 outn = read(outp, outb, outmaxblk);
246 r2: if (inn != outn) {
248 "%s: tapes have different block sizes; %d != %d.\n",
254 fprintf(msg, "tcopy: tapes are identical.\n");
258 if (bcmp(inb, outb, inn)) {
260 "tcopy: tapes have different data.\n");
273 if (record - lastrec > 1)
274 fprintf(msg, "records %qu to %qu\n", lastrec, record);
276 fprintf(msg, "record %qu\n", lastrec);
278 fprintf(msg, "interrupt at file %d: record %qu\n", filen, record);
279 fprintf(msg, "total length: %ld bytes\n", tsize + size);
288 if ((bp = malloc((size_t)blk)) == NULL)
289 errx(11, "no memory");
294 writeop(int fd, int type)
299 op.mt_count = (daddr_t)1;
300 if (ioctl(fd, MTIOCTOP, (char *)&op) < 0)
307 fprintf(stderr, "usage: tcopy [-cvx] [-s maxblk] [src [dest]]\n");
317 errx(12, "fstat in rewind");
320 * don't want to do tape ioctl on regular files:
322 if( S_ISREG(sp.st_mode) ) {
323 if( lseek(fd, 0, SEEK_SET) == -1 )
326 /* assume its a tape */